1.0 Executive Summary Investment Thesis Australia’s Big Four banks—Commonwealth Bank of Australia (CBA), Westpac Banking Corporation (WBC), National Australia Bank (NAB), and ANZ Group Holdings Ltd (ANZ)—represent a stable, highly profitable, and well-capitalized oligopoly facing a structural transition. Their collective market dominance, fortified by a stringent regulatory environment, provides a formidable economic moat and underpins […]